There was a previous work concerning research of forecasting model for wholesale businesses with a case study conducted at Seri Lumpang Department Store. Using sales data of all 82 suppliers from January 2010 to December 2010, it determined the appropriate forecasting model by using the Mean Absolute Percentage Error (MAPE) with the lowest cost. In the test, the forecasting found 35 suppliers could be appropriated with the moving average, 27 suppliers were in line with the season series Winters, 13 suppliers could be appropriated with exponential smoothing, and 7 suppliers could be appropriated with double exponential smoothing respectively